Porsche 911 (996) GT3
ECU Remapping
Porsche 911 (996) GT3. Standard and remapped figures for this exact engine.

- Fully dyno tested remaps
- 30 day money back guarantee
- Lifetime software warranty
- UK-wide local network
Remap stats
Porsche 911 (996) GT3: standard vs remapped
Petrol engine. Indicative stage 1 figures, fully dyno tested.
Power
+25 bhp · +7%- Standard381 bhp
- Remapped406 bhp
Torque
+40 Nm · +10%- Standard385 Nm
- Remapped425 Nm
Tuning figures are indicative estimates, not guaranteed results. Actual results depend on the condition of the vehicle.
Prices from £130
Fully dyno tested | 30 day money back guarantee | Lifetime software warranty
ECU remapping for the Porsche 911 (996) GT3 takes it from 381 to 406 bhp and from 385 to 425 Nm in our stage 1 figures: +25 bhp (7%) and +40 Nm (10%).
The figures above are estimates for a standard, well-maintained Porsche 911 petrol; they are not a guarantee of any particular result.
Porsche 911 (996) GT3 remap figures
- Fuel: Petrol
- Standard power: 381 bhp, remapped: 406 bhp (+25 bhp, +7%)
- Standard torque: 385 Nm, remapped: 425 Nm (+40 Nm, +10%)
- Service: stage 1 ECU remap, fully dyno tested
What a remap does for a petrol Porsche 911
Factory petrol calibrations leave margin for poor fuel and hot climates. A remap tunes the ignition, fuelling and boost maps to make better use of that margin, which shows up as livelier throttle response and stronger acceleration.
How the Porsche 911 (996) GT3 compares
Among the 16 petrol 911 engines we have figures for, the (996) GT3 ranks 13th for power gain, 12 bhp below the 911 petrol average of 37 bhp.
Across our whole catalogue the average petrol remap adds 27 bhp and 51 Nm, so this engine's 25 bhp and 40 Nm sits below that benchmark.
Book ECU tuning for your Porsche 911
Remap Experts is a UK network of local remapping sites. Use Find a Local Tuner to reach your nearest site and get an exact quote.
Each remap is dyno tested before it is signed off, and is protected by a 30 day money back guarantee and a lifetime software warranty. Ask for a quote online or by phone.

Get a quote for your Porsche 911 (996) GT3
Send your details and a specialist will confirm what is possible for your engine.
Included
What we can do for your Porsche 911
Stage 1 ECU remap
Add power and torque and improve driveability. Software only, tailored to your engine.
ECU repair and testing
Is your engine control unit playing up? We can arrange testing and repair, and source replacement ECUs.
DPF and EGR fault repair
Persistent DPF or EGR errors diagnosed and resolved in accordance with all current road-legal standards.
Engine carbon cleaning
Fault finding and carbon cleaning for the inside of your engine, typically completed in a couple of hours.
Same model
Other 911 engines
- Porsche 911 (964) Carrera Rs 260petrol
- Porsche 911 (993) Carrera Rs 300petrol
- Porsche 911 (993) Carrera Spetrol
- Porsche 911 (993) Carrera S 272petrol
- Porsche 911 (993) Carrera S 285petrol
- Porsche 911 (993) Carrera Turbo 408petrol
- Porsche 911 (996) 300petrol
- Porsche 911 (996) Carrera 320petrol
- Porsche 911 (996) GT2petrol
- Porsche 911 (996) Turbo 420petrol
- Porsche 911 (996) Turbo S 450petrol
- Porsche 911 Carrera 325(997)petrol
From quote to remapped in four steps
No jargon and no pressure. Here is exactly what happens.
- 01
Find your vehicle
Choose your make, model and engine to see the standard and remapped power and torque for your car.
- 02
Request a quote
Send your details and we contact you by SMS or call back with a quote. No obligation.
- 03
Book with your local site
Your local Remap Experts site arranges the remap and answers any questions about your car.
- 04
Remapped and dyno tested
Your remap is fully dyno tested, with a 30 day money back guarantee and a lifetime software warranty.
Everything you need to know
Plain-English guides to how remapping works, what it does and what to check first.
- 6 min read
What is ECU remapping?
The engine control unit, what a remap changes, and who it suits.
Read guide - 5 min read
The benefits of ECU remapping
More torque, better driveability and the potential for better economy.
Read guide - 6 min read
How ECU remapping works, step by step
From reading the original software to the dyno test.
Read guide